CVE-2021-23157 (GCVE-0-2021-23157)
Vulnerability from cvelistv5
Published
2022-01-14 19:10
Modified
2025-04-16 18:02
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.
References
ics-cert@hq.dhs.govhttps://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03Third Party Advisory, US Government Resource
ics-cert@hq.dhs.govhttps://www.zerodayinitiative.com/advisories/ZDI-22-130/Third Party Advisory, VDB Entry
ics-cert@hq.dhs.govhttps://www.zerodayinitiative.com/advisories/ZDI-22-132/Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-22-130/Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-22-132/Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
WECON LeviStudioU Version: All   <
Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:58:26.370Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-130/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-132/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-23157",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-16T17:31:41.848676Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-16T18:02:12.385Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "LeviStudioU",
          "vendor": "WECON",
          "versions": [
            {
              "lessThanOrEqual": "2019-09-21",
              "status": "affected",
              "version": "All",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Natnael Samson (@NattiSamson), working with Trend Micro\u2019s Zero Day Initiative, reported these vulnerabilities to CISA."
        }
      ],
      "datePublic": "2021-12-21T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "CWE-122 Heap-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-01-27T09:06:14.000Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-130/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-132/"
        }
      ],
      "source": {
        "advisory": "ICSA-21-355-03",
        "discovery": "UNKNOWN"
      },
      "title": "WECON LeviStudioU",
      "workarounds": [
        {
          "lang": "en",
          "value": "WECON has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of this affected product are invited to contact WECON technical support for additional information."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "ics-cert@hq.dhs.gov",
          "DATE_PUBLIC": "2021-12-21T19:09:00.000Z",
          "ID": "CVE-2021-23157",
          "STATE": "PUBLIC",
          "TITLE": "WECON LeviStudioU"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "LeviStudioU",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_name": "All",
                            "version_value": "2019-09-21"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "WECON"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Natnael Samson (@NattiSamson), working with Trend Micro\u2019s Zero Day Initiative, reported these vulnerabilities to CISA."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-122 Heap-based Buffer Overflow"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03",
              "refsource": "MISC",
              "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03"
            },
            {
              "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-130/",
              "refsource": "MISC",
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-130/"
            },
            {
              "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-132/",
              "refsource": "MISC",
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-132/"
            }
          ]
        },
        "source": {
          "advisory": "ICSA-21-355-03",
          "discovery": "UNKNOWN"
        },
        "work_around": [
          {
            "lang": "en",
            "value": "WECON has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of this affected product are invited to contact WECON technical support for additional information."
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2021-23157",
    "datePublished": "2022-01-14T19:10:40.173Z",
    "dateReserved": "2021-12-16T00:00:00.000Z",
    "dateUpdated": "2025-04-16T18:02:12.385Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-23157\",\"sourceIdentifier\":\"ics-cert@hq.dhs.gov\",\"published\":\"2022-01-14T20:15:10.033\",\"lastModified\":\"2024-11-21T05:51:17.927\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.\"},{\"lang\":\"es\",\"value\":\"WECON LeviStudioU Versiones 21-09-2019 y anteriores, son vulnerables a un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria, que puede permitir a un atacante ejecutar c\u00f3digo de forma remota\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"ics-cert@hq.dhs.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"ics-cert@hq.dhs.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-122\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:we-con:levistudiou:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2019-09-21\",\"matchCriteriaId\":\"785416DE-0B73-41CD-AC5D-32EAC49045AF\"}]}]}],\"references\":[{\"url\":\"https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03\",\"source\":\"ics-cert@hq.dhs.gov\",\"tags\":[\"Third Party Advisory\",\"US Government Resource\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-22-130/\",\"source\":\"ics-cert@hq.dhs.gov\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-22-132/\",\"source\":\"ics-cert@hq.dhs.gov\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"US Government Resource\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-22-130/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-22-132/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-22-130/\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-22-132/\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T18:58:26.370Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-23157\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-16T17:31:41.848676Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-16T17:31:43.278Z\"}}], \"cna\": {\"title\": \"WECON LeviStudioU\", \"source\": {\"advisory\": \"ICSA-21-355-03\", \"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"value\": \"Natnael Samson (@NattiSamson), working with Trend Micro\\u2019s Zero Day Initiative, reported these vulnerabilities to CISA.\"}], \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"WECON\", \"product\": \"LeviStudioU\", \"versions\": [{\"status\": \"affected\", \"version\": \"All\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"2019-09-21\"}]}], \"datePublic\": \"2021-12-21T00:00:00.000Z\", \"references\": [{\"url\": \"https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-22-130/\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-22-132/\", \"tags\": [\"x_refsource_MISC\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"WECON has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of this affected product are invited to contact WECON technical support for additional information.\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.0.9\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-122\", \"description\": \"CWE-122 Heap-based Buffer Overflow\"}]}], \"providerMetadata\": {\"orgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"shortName\": \"icscert\", \"dateUpdated\": \"2022-01-27T09:06:14.000Z\"}, \"x_legacyV4Record\": {\"credit\": [{\"lang\": \"eng\", \"value\": \"Natnael Samson (@NattiSamson), working with Trend Micro\\u2019s Zero Day Initiative, reported these vulnerabilities to CISA.\"}], \"impact\": {\"cvss\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, \"source\": {\"advisory\": \"ICSA-21-355-03\", \"discovery\": \"UNKNOWN\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_name\": \"All\", \"version_value\": \"2019-09-21\", \"version_affected\": \"\u003c=\"}]}, \"product_name\": \"LeviStudioU\"}]}, \"vendor_name\": \"WECON\"}]}}, \"data_type\": \"CVE\", \"generator\": {\"engine\": \"Vulnogram 0.0.9\"}, \"references\": {\"reference_data\": [{\"url\": \"https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03\", \"name\": \"https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03\", \"refsource\": \"MISC\"}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-22-130/\", \"name\": \"https://www.zerodayinitiative.com/advisories/ZDI-22-130/\", \"refsource\": \"MISC\"}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-22-132/\", \"name\": \"https://www.zerodayinitiative.com/advisories/ZDI-22-132/\", \"refsource\": \"MISC\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-122 Heap-based Buffer Overflow\"}]}]}, \"work_around\": [{\"lang\": \"en\", \"value\": \"WECON has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of this affected product are invited to contact WECON technical support for additional information.\"}], \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2021-23157\", \"STATE\": \"PUBLIC\", \"TITLE\": \"WECON LeviStudioU\", \"ASSIGNER\": \"ics-cert@hq.dhs.gov\", \"DATE_PUBLIC\": \"2021-12-21T19:09:00.000Z\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-23157\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-04-16T18:02:12.385Z\", \"dateReserved\": \"2021-12-16T00:00:00.000Z\", \"assignerOrgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"datePublished\": \"2022-01-14T19:10:40.173Z\", \"assignerShortName\": \"icscert\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.